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There isn't a single answer to this question as it could be a list of things, such as stress, nightmares, or even mental disorders such as PTSD can be the cause of such.

Caffeine intake is also known to be a factor that can cause you to grind your teeth. Try to avoid caffeine before bed, and minimize intake during the day.

The most common reason is your stress level. People tend to clench their teeth at night when a stressful situation bothers them. Without realizing it, you will just bite so hard that your muscles are hurt. Then when you are asleep, your jaws are moving so hard that the chewing surfaces are damaged.

Causes for teeth grinding: .
Common reasons for teeth grinding are stress, frustration, anxiety. It could also be as a results of abnormal occlusion (the way the upper and …lower teeth fit together), or crooked or missing teeth. This phenomenon is known as "Bruxism". There are different ways to treat this. For more information search for "Bruxism" on Answers.com (link on the right). Tgdan: Teeth grinding (bruxism) in children is very common (espescially when they have new teeth coming through) and is not usually something to worry about as it will probably go away on its own. If your child is still grinding their teeth when their adult teeth have come through then it may be time to consider a nightguard to protect their teeth. In the mean time though you should stop worrying!

Answer A four-year-old grinding her teeth at night is normal. Her permanent teeth are pushing toward the surface, and this grinding action is i…nvoluntary. It is the process by which the primary (baby) teeth remain in the proper occlusion and eventually wear away to make room for the permanent teeth. There is nothing to be concerned about. Of course, if you have to listen to the grinding all night, it can be very annoying. Not to worry though, she'll probably outgrow this condition by about age 10-12. ;) ANOTHER ANSWER TRY Google--type in "bruxism". That's the technical term for teeth grinding. Many times it's caused by "reflex chewing activity". Check out info on bruxism. If it continues when she has her permenant teeth, there are mouth guards available (also called bite guards). Many people grind their teeth, sometimes to the point that they wear them down flat! Best to You!

I wish someone who knows can tell me how to stop grinding my teeth...I dont know if I do it in my sleep, I definitey do it whe I am awake....I bought a mouth guard and am due …to collect it from my dentist next week. Does anyone know if orthodotic treatment would help

The medical term for teeth grinding during sleep is called Sleep Bruxism. The list of possible causes for teeth grinding at night is long. Look up a teeth grinding support… group online to get specific help.

Hi Teeth and other oral issues are directly related to the stomach. Simpler diet like fruits and vegetables is good for teeth. If you have teeth grinding problem it is becau…se of your stomach better take medicine that can clean your stomach. There can be some parasites in your stomach "teeth grinding" is a symptom of parasites in stomach. "The abnormal grinding, clenching, and gnashing of the teeth. This condition occurs most often at night, and it may be linked to the restlessness and anxiety caused in the body by the parasite's release of waste and other toxins." Regards Fred

You can try buying one of those dental products specifically made for teeth grinding. Or you can just buy an athletic mouthguard, and fit it to your mouth and sleep with that.… If the grinding is caused by misalignment of teeth or jaws, then you may want to consult with an orthodontist or oral surgeon to see if braces or possible surgery could fix the problem.

They (psychologists etc.) say this habit is caused by a stressful day. I'm pretty sure this is still a hypothesis though. Try buying one of those rubber mouth guards they have… at dentist' offices. They sound dangerous but they'll probably help.

Gritting or grinding teeth (the medical term for it is bruxism) is fairly common among young children, affecting three out of every ten. It is seen most often among kids under… age five. No one knows exactly why they develop this tendency, but it could be because their upper and lower teeth aren't properly aligned. Other possible causes are pain - such as an earache or eruption of a tooth - or even stress, perhaps due to frustration or tension at home or some change in routine. Most kids outgrow this habit when they lose their baby teeth and, fortunately, it usually doesn't hurt their permanent ones. As long as your child doesn't complain of soreness in her jaw or face in the morning, she's unlikely to suffer any ill effects. However, to be sure that the grinding isn't wearing down the enamel on her teeth, it's a good idea to take her to a pediatric dentist, who should be able to figure out whether the grinding is due to misaligned teeth or something else. If the problem is stress, reassurance may be all that's needed once you know what the trouble is. Getting into a routine of relaxation before bedtime can help, as well- a warm bath, music, or reading a book, for example. If a child's teeth are being damaged by the grinding or when kids complain of pain or soreness in the face or jaw, a dental appliance called a night guard should be considered. Your dentist can tell you whether this is necessary, but very young children generally don't need guards. (If one is recommended, you're probably better off with a guard molded and fitted by the dentist rather than one sold over the counter, which may not fit or work as well as a custom appliance.) I wouldn't worry too much about this. In all likelihood, your 8 years old child will outgrow the grinding by the time her permanent teeth come in.

Sometimes a hamsters teeth can grow too long, this causes them to have trouble eating, makes them chew on the bars of the cage, or grind their teeth. Go and get them somethi…ng to chew on so it wears down their teeth.

My 5 year old still grinds her teeth and she has for a few years...just when she's sleeping. Our dentist has assured me several times it's completely normal and some kids even… grind their teeth down to the gum line with no discomfort. He also said they usually outgrow it by the time their permanents start to come in. However, if they still are grinding their teeth after that a night guard would be provided. Besides the awful noise they makes...it's no problem.